pairwiseLR: Pairwise LR matrix

Description

For a given DVI problem, compute the matrix consisting of pairwise likelihood ratios \(LR_{i,j}\) comparing \(V_i = M_j\) to the null. The output may be reduced by specifying arguments limit or nkeep.

Usage

pairwiseLR(
  dvi,
  pairings = NULL,
  ignoreSex = FALSE,
  limit = 0,
  nkeep = NULL,
  check = TRUE,
  numCores = 1,
  verbose = FALSE
)

Value

A list with 3 elements:

LRmatrix: A matrix containing the pairwise LR values.
LRlist: A list of numerical vectors, containing the pairwise LRs in list format.
pairings: A reduced version of the input pairings, keeping only entries with corresponding LR >= limit. For the default case limit = 0 a strict inequality is used, i.e., LR > 0.

Arguments

dvi: A dviData object, typically created with dviData().
pairings: A list of possible pairings for each victim. If NULL, all sex-consistent pairings are used.
ignoreSex: A logical.
limit: A nonnegative number controlling the pairings slot of the output: Only pairings with LR greater or equal to limit are kept. If zero (default), pairings with LR > 0 are kept.
nkeep: An integer, or NULL. If given, only the nkeep most likely pairings are kept for each victim.
check: A logical, indicating if the input data should be checked for consistency.
numCores: An integer; the number of cores used in parallelisation. Default: 1.
verbose: A logical.

Examples

Run this code

pairwiseLR(example1, verbose = TRUE)

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